Geometry

In a garden, a birdbath 2ft 6 in. tall casts an 18-in. shadow at the same time an oak tree casts a 90-ft shadow. How tall is the oak tree?

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  1. 2.5/1.5 = x/90

    Cross multiply and solve for x.

    1.5x = 225

    x = 150 feet

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    Ms. Sue

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